class Solution {
    public:
        vector<int> twoSum(vector<int>& nums, int target) {//梦开始的地方
            int n=nums.size();
            for(int i=0;i<n;i++){
               for(int j=i+1;j<n;j++){
                if(nums[i]+nums[j]==target){
                    return {i,j};
                }
               }
            }
            return {};
        }
    };